Laura Molina, 9, shows the mask she created expressing the feeling of "sadness." Her mother is being treated for breast cancer at the Lyndon B. Johnson public hospital in Houston. Carrie Feibel/KUHF hide caption

itoggle caption Carrie Feibel/KUHF

Of Blocks And Books: Parents may be more likely to take a young daughter to the library than a son, and to read to the girl for longer periods of time, a new analysis suggests. Hulton Archive/iStockphoto.com hide caption

itoggle caption Hulton Archive/iStockphoto.com

Even during sleep, babies' brains continue to take in and process angry voices. iStockphoto.com hide caption

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Joshua Gans and his three children. courtesty Joshua Gans hide caption

itoggle caption courtesty Joshua Gans